psychophysical psy·cho·phys·i·cal (sī'kō-fĭz'ĭ-kəl)
adj.
Of or relating to psychophysics.
Psychosomatic.
psychophysics psy·cho·phys·ics (sī'kō-fĭz'ĭks)
n.
The branch of psychology that deals with the relationships between physical stimuli and sensory response.